ASTM A 707 Grade L5 Class 4 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: United States / ASTM

Data updates

Latest Update: 2021-04
Total number of updates: 3
Update History
2020-03 2015-02

This material has 42 properties — only a subset is shown here.

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ASTM A 707 Grade L5 Class 4 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.07
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.60 – 0.90
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
1.00 – 1.30
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

A707/A707M: 2025 / Standard Specification for Forged Carbon and Alloy Steel Flanges for Low-Temperature Service

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ASTM A 707 Grade L5 Class 4 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 42 properties — only a subset is shown here.

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ASTM A 707 Grade L5 Class 4 Heat Treatments

  • Material shall be heat treated by annealing, normalizing, precipitation hardening, quenching and tempering, normalizing and tempering, normalizing and precipitation hardening, or quenching and precipitation hardening.
    Precipitation hardening: Consists of heating to a temperature between 538 - 677°C (1000 - 1250°F), holding at temperature for not less than 1/2 h, and then cooling at any convenient rate.

ASTM A 707 Grade L5 Class 4 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
620 MPa
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Elongation, A
20 %
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Reduction of Area
val1
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%
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Brinell Hardness (HB)
179 — 265
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  • 20 Cross References
  • 11 Composition
  • 6 Mechanical Properties
  • 3 Physical Properties
  • 1 Heat Treatment
  • - Metallography
  • - Machinability
  • - Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • - Creep
  • 1 Joints
  • - Coatings
  • - Dimensions
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